Our industry experts identified the leading software development companies in Illinois that build high-performance solutions. Explore the best developers in the table below and use the filter to choose the best fir for your budget and needs.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
AI Powered Digital Agency
You choose 10turtle to build digital confidence, clarity, and conversions partnering with a team that knows your digital presence should work harder. Nothing more, nothing less...
Top Services:
- Logo Design
- Graphic Design
- Web Design
- UI/UX Design
- Web Development
- Show more
- Location
- Illinois City, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts10turtle Services
Data sourced from the agency's DesignRush profileAmazon Microsoft Nestle Ikea Pearson Pfizer HSBC DHL Casio LinkedIn
10turtle Reviews & Testimonials
Creative Services Review from Antonio Philantrope
Jigna was professional, patient, responsive, and highly collaborative throughout our CHOKOPAM branding project. She helped develop brochures, banners, event materials, tablecloth designs, and multiple refinements as our brand continued to evolve. She was always willing to incorporate feedback and work toward the best possible result. Communication was excellent, deadlines were respected, and the final deliverables were provided in print-ready formats. I would gladly work with her again and highly recommend her to anyone looking for a creative designer who is committed to client satisfaction.
Web Development Review from John McLardy
10turtle overhauled our Ladies Fashion startup website into something extra special. Even when our budget was restricted 10turtle went above and beyond to tailor their services to catch our most important priorities and in the end even delivered a little extra. I can't speak highly enough, thank you and we look forward to retaining your trusted services for other future website developments when our businesses move to the next stage.
Dashboard Design Review from Danial Sarfraz
We partnered with this presentation and brand design firm on a recent project and were thoroughly impressed. They combined strategic thinking with great design execution, helping us refine not only our visuals but also our messaging. The team was responsive, collaborative, and attentive to feedback, making the entire process efficient and enjoyable.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTransforming businesses through AI Automation Services.
CodeAutomation is an Award-Wining AI Development Company based Naperville, IL...
Top Services:
- AI Development
- Web Development
- Digital Services
- eCommerce Development
- Software Testing
- Show more
- Location
- Naperville, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCodeautomation Services
Data sourced from the agency's DesignRush profileBubblehouse - E Commerce Vested Finance - Trading Tracely - Location Tracking App
Codeautomation Reviews & Testimonials
AI Development Review from Stuart Davies
Main objective is to integrate Google services (spreadsheet) for lead tracking and develop API integration with Twilio for advanced calling services and monitoring.
AI Development Review from Lisa Tapert
Our service launched, meeting SLAs/KPIs set out by us and our client: uptime, time to process new schedules, ability for tutors to find and book lessons, fill rate of those lessons for tutors.
AI Development Review from Mark Coffey
We were able to get our applications tested and figured out any issues or bugs in the applications to be fixed by our development team. They did a great job in testing all of the parts of the application to make sure all of the basis were covered in terms of Application Testing.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Calibrate
VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.We craft digital experiences that spark joy
Calibrate is a software design and development agency that has a myriad of clients across a broad array of sectors, including: eCommerce, Healthcare, Fin-Tech, Hospitality, Legal-Tech, Private Equity, Logistics, Education, Cyber Security, Startups, and more...
Top Services:
- Mobile App Development
- Web Design
- Web Development
- UI/UX Design
- Software Development
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $72/hr
- Portfolios Count
- 26 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCalibrate Services
Data sourced from the agency's DesignRush profilePikazo IndependencePlus Leveled
Calibrate Reviews & Testimonials
Web Development Review from Malcolm Gibson
The business supplied an extraordinary front-end for our cybersecurity web application combining looks with capability. They showed a deep understanding of our market while crafting a user-friendly and straightforward user interface that lines up with our brand name along with security-focused requirements. The Calibrate team was very receptive to comments while recommending cutting-edge style options that improved the users experience. Their focus on detail, sticking to timelines, and dedication to quality made the whole project run smoothly and efficently. We are incredibly pleased with the end product which has actually gotten favorable comments from our customers plus end-users.
Mobile App Development Review from Sony Tiwari
The whole Team at Calibrate have been great from beginning to end, and we're excited to have a partner as we continue to grow. Three words I would use to describe Calibrate are organized, insightful and collaborative. From the outset the scope of work was clearly defined, but they also showed great flexibility working through changes that arose. Faizan is terrific at running our regular meetings and keeping everyone up to date on progress. The team has a good balance at listening to your ideas but also guiding with their experience and expertise.Our project took longer than anticipated because of issues unearthed during the development, but Kevin and the team worked through it all with us. They went above and beyond to make sure we were satisfied with the final outcome.This is a talented team for sure, but their passion and ability to collaborate effectively is what really sets Calibrate apart.
eCommerce Development Review from Lorien Yonker
I partnered with Calibrate to develop a new eCommerce website, expertly integrating it with Shopify. Its guidance on software operation and website maintenance for future collections was invaluable. I valued the agency's patience and helpfulness in teaching me software intricacies and quick adaptability to changing project scopes. What set Calibrate apart was its attentive approach. Calibrate's small team was ideal for addressing my concerns proactively. While some may find it a drawback, I preferred the agency's primarily virtual meeting approach. (Verified via email)
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Debut Infotech
VerifiedVerified by the DesignRush team for authenticity and credibility.AI-Powered Innovation, Delivered
Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...
Top Services:
- AI Development
- Web Development
- Blockchain
- Mobile App Development
- Software Development
- Show more
- Location
- Springfield, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDebut Infotech Services
Data sourced from the agency's DesignRush profileNordic Strong WellPoP Aithentic NDAX PRC Coin P2B Best Western Unique School Integra Ledger Friendspire
Debut Infotech Reviews & Testimonials
James Carter's Review Sourced from Google
Our company aimed to launch a trading platform but struggled with security planning and system performance. Debut Infotech supported us with crypto exchange development services using Node.js, blockchain integration, and secure wallet APIs. Their solution helped us deploy a stable exchange environment with improved transaction handling.
Andrew Ethan R.'s Review Sourced from Google
Debut Infotech efficiently addressed the performance and scalability challenges in our mobile app. They quickly diagnosed the issues and delivered a stable solution using up-to-date development tools. The project was completed on time with clear communication throughout.
Blunt David's Review Sourced from Google
I had the pleasure of working with Debut Infotech for DeFi development, and I am extremely satisfied with their expertise and service. Their team utilized a comprehensive suite of tools, including smart contract generators, DeFi protocol integrators, and liquidity pool management tools, all of which streamlined the development process. They not only helped us build secure and scalable decentralized finance solutions, but also provided automated yield farming and staking platforms that significantly boosted user engagement. Their focus on security, with built-in auditing tools, gave me confidence throughout the project. I highly recommend Debut Infotech to anyone looking for reliable, efficient, and innovative DeFi development.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe help businesses in building Web, App, Software, and Adapting AI Solutions.
Probey Services builds websites and mobile apps on WordPress, Shopify, and Flutter, for clients like Lineage and Gunzilla Games. Its team of 320+ developers covers eCommerce, healthcare, and edtech across 30+ countries. Best fit for SMBs needing affordable development services...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- Web Design
- WordPress Website Design
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 94 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsProbey Services Services
Data sourced from the agency's DesignRush profileBartisans Samyakk 30 Days Fitness Isharya The Estate Residences VegenMart Fresh Menu Application PRAO Fashion Jewellery Audentia Space Wings of Change
Probey Services Reviews & Testimonials
Web Development Review from Rajat Sinh
Probey transformed our outdated website into a modern, high-performing platform by understanding our business goals and delivering the right solutions. Since the launch, we have seen significant growth in website traffic, lead conversions, and operational efficiency through their backend integrations. Impressed with their expertise and quality of work, we also trusted Probey with our CRM development project as well. Thank you to the entire Probey Services team for your professionalism and support.
Web Design Review from Roshan
This is Roshan, CEO at NanoTherapX. Working with Probey Services for our CRM Development. What stood out most was their stability, consistency, reliability, and a smooth implementation. The CRM has streamlined our client management, improved team efficiency, and helped us manage operations more effectively. Since its implementation, we've seen better productivity and consistent business growth. I highly recommend Probey Services UK to any business looking for a reliable technology partner.
Mobile App Development Review from Tejaswini
What stands out most about Probey Services is their discipline-no missed calls, no vague timelines, and no surprises. They built our mobile app with a level of professionalism that made us feel like a priority throughout the project. The delivery was on schedule, the code quality was excellent, and the final product met high standards. Since the app launch, we've seen consistent business growth, and managing customer orders has become much more efficient. I highly recommend Probey Services UK to any business looking for a dependable technology partner.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Software Development Companies in Illinois by City
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4.8
4.8Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
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